Prefabricated insulating block includes longitudinal projection and minor projection each comprised partly of insulator and partly of plaster

摘要

A ceramic core is provided on opposing faces with a plaster layer. An insulating plate having cracks, cross-sectional straight lines, parallel bars and a tapered section is arranged in contact with a plaster layer. A longitudinal projection and a minor projection are provided in two contiguous edges with each having a tapered section and individual entrances at opposing edges. Both projections are comprised partly of plaster and partly of an insulator.